public async Task <IActionResult> Surl(string fraseB64)
{
var b64 = System.Convert.FromBase64String(fraseB64);
var frase = Util.TextUtilities.Unzip(b64);
var existente = await StorageClient.GetShortFor(frase);
if (existente != null)
{
return(Json(existente));
}
var dtNow = DateTime.UtcNow;
var dtOrigin = new DateTime(1986, 8, 1);
var diff = dtNow - dtOrigin;
var diffmsec = BitConverter.GetBytes((uint)Math.Round(diff.TotalMilliseconds)).Reverse().ToArray();
var sversion = new Base62.Base62Converter().Encode(System.Convert.ToBase64String(diffmsec));
_memoryCache.Set($"surl_{sversion}", b64, TimeSpan.FromHours(1));
return(Json(sversion));
}
